Daburn Electronics offers Polytron Devices extra-low-noise power supplies and accessories. Polytron Devices designs, manufactures, and distributes high-performance power supplies for a wide variety of critical applications including medical, military, aerospace, nuclear energy, computer, industrial, commercial, telecommunications, transportation, research, in-flight entertainment, and music industry.

Linear encapsulated power modules feature extra low noise (0.5 mV to 3.0 mV_RMS); worldwide input voltages; regulation line and load 0.2% to 0.02%; PC card/chassis mounting; high input/output isolation voltage available; short circuit protection; single, dual, and triple outputs; finger-safe terminals available; UL (USA and Canada) 60950 (Industrial), CE, and RoHS compliant.